Home / 1,038,002.70-1,557,004.05-477,037.20

Finding the Fourth Proportional to 1,038,002.70, 1,557,004.05 and 477,037.20

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Solution

The fourth proportional to 1,038,002.70, 1,557,004.05 and 477,037.20 is: 715,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,002.70 : 1,557,004.05 = 477,037.20 : x
  2. Step 2: Convert to fraction form
    1,038,002.70/1,557,004.05 = 477,037.20/x
  3. Step 3: Cross multiply
    1,038,002.70x = 1,557,004.05 × 477,037.20
  4. Step 4: Simplify right side
    1,038,002.70x = 742,748,852,400.66
  5. Step 5: Solve for x
    x = 742,748,852,400.66/1,038,002.70
  6. Step 6: Final answer
    x = 715,555.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.